TY  - BOOK
AU  - Perry J W
AU  - Kent Allen
TI  - Tools for machine literature searching: semantic code dictionary - equipment - procedures
U1  - 010.78 
PY  - 1958///
CY  - New York
PB  - Interscience Pub
KW  - Information storage and retrieval
KW  - Machine literature searching
KW  - Tools for machine
ER  -